package com.qf.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.qf.pojo.DtsUser;
import com.qf.vo.DayStatis;
import org.apache.ibatis.annotations.Select;

import java.util.List;

/**
 * <p>
 * 用户表 Mapper 接口
 * </p>
 *
 * @author zhaojian
 * @since 2021-05-12
 */
public interface DtsUserMapper extends BaseMapper<DtsUser> {

    //日期对应的用户数 0
    @Select("select \n" +
            "  count(1) cnts,\n" +
            "\tDATE_FORMAT(add_time,'%Y-%m-%d') dayStr\n" +
            "from dts_user\n" +
            "where   DATE_FORMAT(add_time,'%Y-%m-%d') > DATE_ADD(NOW(),INTERVAL -#{statisDaysRang} day)\n" +
            "group by DATE_FORMAT(add_time,'%Y-%m-%d') ")
    List<DayStatis> findUserOrderCnt(int statisDaysRang);
}
